Tinajero NHS-Main Science Department

Tinajero NHS-Main Science Department This will serve as the official page for Tinajero NHS-Main's Science Department. Members of the Department will manage the page.

This page will feature information and reports about all of the Department's activities and undertakings.

STEM AND LOVE – COLLAB!Sharing their knowledge and skills in basic microscopy, our STEM “ates” and “kuyas” assisted our ...
25/09/2026

STEM AND LOVE – COLLAB!
Sharing their knowledge and skills in basic microscopy, our STEM “ates” and “kuyas” assisted our Grade 7 - Love “bunsos” during their class session on identifying the parts and functions of a microscope, as well as demonstrating its proper handling and storage.

The seniors also brought sets of prepared slides, giving the Grade 7 learners a firsthand experience of peeking through the eyepiece and operating the equipment.

This collaborative session between our SHS and JHS departments is just a glimpse of how learning can be enriched when learners have opportunities to share, guide, and learn from one another.

Facilitator: Ma'am Vanessa Joy A. Dantes

Photos courtesy of Grade 12 STEM

"BEYOND PACKAGING: Decoding the Anatomy of Product Labels"To assess their learning on the importance of understanding th...
25/09/2026

"BEYOND PACKAGING: Decoding the Anatomy of Product Labels"
To assess their learning on the importance of understanding the chemical substances found in household items and personal care products, as well as their ability to read and interpret product labels, the Grade 11 students worked in pairs to analyze and decode the information presented on actual product labels.

Further enriched by their artistry and resourcefulness, the students not only met the expectations of the task but also developed a more critical and scientific approach to evaluating product details and information—enabling them to understand everyday products more comprehensively than before.

In this issue: ALL-STEM MULTIMEDIA TEAM BAGS GOLD IN MATH VIDEO CONTEST | Jeronian Delegation is 2nd Overall Champion in...
14/09/2026

In this issue: ALL-STEM MULTIMEDIA TEAM BAGS GOLD IN MATH VIDEO CONTEST | Jeronian Delegation is 2nd Overall Champion in Cluster Math Fair

An all-STEM multimedia team, coached by their class adviser, Sir Lloyd Ericson C. Rodriguez, secured a gold medal finish for the school’s delegation after besting 12 other entries in the Math Shout Out Video Contest, one of the group events in the Cluster I Math Fair held at Rodolfo Feliciano Memorial High School in Magalang, Pampanga, on September 11, 2026.

Alongside victories in other events, the multimedia team’s gold medal win helped propel the school’s delegation to 2nd Overall Champion in the cluster event, capping a remarkable showcase of mathematical talent and teamwork.

MORE PHOTOS | "Kitchen Chemistry: Osmosis"Did you know that everyday kitchen items can help us explore the science behin...
31/08/2026

MORE PHOTOS | "Kitchen Chemistry: Osmosis"
Did you know that everyday kitchen items can help us explore the science behind osmotic pressure?

In their recent laboratory task, our Grade 12 STEM students used simple materials—water, table salt, and a cucumber—to investigate osmosis, a process closely related to osmotic pressure, one of the four colligative properties of solutions. Through said hands-on activity, they were able to observe how differences in solute concentration can drive the movement of water across cell membranes.

Photos courtesy of Grade 12 STEM - Sincerity

MORE PHOTOS...Here are more glimpses of the blueprint presentations and project demonstrations by the Grade 11 Tech-Pro ...
28/08/2026

MORE PHOTOS...
Here are more glimpses of the blueprint presentations and project demonstrations by the Grade 11 Tech-Pro and Academic students of our school, showcasing their miniature hydraulic system-based machines. These projects served as their culminating task in General Science for the first term. The activity was held at the Grade 11 Josiah-Jabez homeroom on August 24, 2026.👏👏👏

Serving on the panel were Sir Mark S. Nuqui, ICT teacher; Ma’am Vanessa Joy A. Dantes, Science teacher; and Ashley Nathan P. Calma, a Grade 12 STEM student, while learners from Grade 7–Love and Grade 7–Peace served as the audience.

Photos courtesy of Rolaine Hernandez and Kendrix Pineda, school photojouralists

INSIDE THIS ISSUE: Channeling their inner physicists and engineers, the Grade 11 students successfully demonstrated how ...
25/08/2026

INSIDE THIS ISSUE: Channeling their inner physicists and engineers, the Grade 11 students successfully demonstrated how their hydraulic system-based miniature structures work—from drawbridges and cranes to lifters and parking structures with ascending and descending floors. 👏👏👏

Three pairs of students also presented their project blueprints, with the presentations serving as their major final task in General Science for the first term. The activity was held at the Grade 11 Josiah-Jabez Homeroom on August 24, 2026. 🤩🤩🤩

Plus, here’s a glimpse of the recent laboratory task of our Grade 12 STEM students in General Chemistry 2! 😊

INSIDE THIS ISSUE: This new issue highlights the commendable performance of our STEM students and the entire Senior High...
03/08/2026

INSIDE THIS ISSUE: This new issue highlights the commendable performance of our STEM students and the entire Senior High School Department in the various competitions and events held as part of the school's Nutrition Month celebration. It also showcases the continued winning legacy of the STEM class in the Search for the Cleanest Classroom.

In addition, snippets of classroom activities from our Senior High School Science classes are featured in the paper's new section, Quick Reads. 🤩

Photos of the awarding ceremony courtesy of the school's MM Team, headed by its adviser, Sir Mark R. Sibug.

⚡WATT WERE THEY THINKING? 💀🔌Here are the Top 3 outputs from the "Dumb Ways to Die" Short Reel-Making Task of our Grade 1...
29/07/2026

⚡WATT WERE THEY THINKING? 💀🔌
Here are the Top 3 outputs from the "Dumb Ways to Die" Short Reel-Making Task of our Grade 11 students, centered on one of the major topics in their General Science class: Utilization of Electricity.

Inspired by the popular trend in which creators share clips of unfortunate incidents experienced by people, this activity challenged our students to portray unsafe electrical practices commonly observed among many individuals, particularly fellow young people. These unsafe habits—including overloading electrical circuits, using damaged insulation, handling electricity in damp conditions, faulty wiring, and improper electrical use that may lead to electrocution—highlight the hazards and risks associated with poor electrical safety practices.

To make the task even more challenging, each reel was required to be only up to 20 seconds long, pushing students to tell a complete and meaningful story within a very limited time. This constraint encouraged them to think critically, communicate creatively, and maximize every second of their videos while still delivering a clear safety message.

Through their wit, creativity, and storytelling skills, the students produced outputs that were not only engaging but also highly relatable, contextual, and educational.

FIRST PLACE - Gian B. Manalo
SECOND PLACE - Rowhen Vianca A. Serrano and Viana Paulyn A. Serrano
THIRD PLACE - Kurt N. Laxamana

CONGRATULATIONS, guys!

"DISPLAYING LIGHT AND SOUND THROUGH EVERY CUT"To demonstrate their knowledge and appreciation of the various technologie...
27/07/2026

"DISPLAYING LIGHT AND SOUND THROUGH EVERY CUT"
To demonstrate their knowledge and appreciation of the various technologies and innovations that use light and sound—artistically and resourcefully—the Grade 11 students completed their collage-making activity on July 23, 2026, at the school laboratory. Using cutout photos from old newspapers, magazines, brochures, and other printed materials, the groups combined their creativity to produce vertical, poster-style collages.

And the standouts are...

STEM VS. STOICHIOMETRY: CALCULATED. MEASURED. CONQUERED ⚖️🧪🏆For five and a half hours straight, our Grade 12 STEM studen...
24/07/2026

STEM VS. STOICHIOMETRY: CALCULATED. MEASURED. CONQUERED ⚖️🧪🏆
For five and a half hours straight, our Grade 12 STEM students tackled higher-level calculations, rigorous measurements and weighing procedures, and the careful handling of chemicals as they completed their major task in General Chemistry 2. The activity revolved around Stoichiometric Calculations on Concentrations of Solutions, including the actual Preparation of Solutions, with each group assigned its own solution to prepare.

This was perhaps the most challenging—and arguably the most hazardous—laboratory activity the class has undertaken so far, including all of their laboratory work in Grade 11. Yet, as always, they rose to the challenge and delivered outstanding results!

Congratulations, Team TE-TE! Keep up the great work! 🤩


Photos courtesy of our Grade 12 STEM students and student photojournalists Rolain Hernandez and Kendrix Pineda.

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